L138-DI-325-RI

Overview

The Critical Link L138-DI-325-RI is a System-on-Module (SOM) based on the Texas Instruments OMAP-L138 processor and Xilinx Spartan-6 FPGA. It features a 375 MHz ARM926EJ-S MPU and a 375 MHz C674x VLIW DSP, paired with an XC6SLX45 FPGA offering up to 6,822 slices. The module includes 128 MB of mDDR2 RAM, 16 MB of SPI NOR flash, and 256 MB of NAND flash. Designed for industrial environments, it operates within a temperature range of -40°C to +85°C and utilizes a standard SO-DIMM-200 interface for connectivity.

Feature Summary

• Dual-core OMAP-L138 processor with 375 MHz ARM926EJ-S and C674x DSP cores
• Xilinx Spartan-6 XC6SLX45 FPGA with up to 6,822 slices and 2,088 KBits Block RAM
• Industrial temperature rating (-40°C to +85°C)
• Standard SO-DIMM-200 connector with 96 configurable FPGA I/O pins

Applications

• Embedded Instrumentation
• Industrial Automation
• Software Defined Radio
• Medical Instrumentation
• Test and Measurement

Procurement Notes

Verify the specific ordering suffix against the manufacturer's current documentation to confirm memory configurations and temperature ratings. As this is a specialized embedded module, availability may vary by region. Contact Critical Link directly for lead times and distribution status, as standard distributor listings may not reflect real-time stock levels for legacy or industrial-grade components.

Selection Notes

Select the L138-DI-325-RI when industrial temperature stability (-40°C to +85°C) is required alongside high FPGA logic capacity (XC6SLX45). This model provides 128 MB of DDR2 RAM and 256 MB of NAND storage. Ensure carrier board designs support the SO-DIMM-200 form factor and provide the necessary 3.3V power supply. Verify if optional SATA or JTAG headers are needed, as these are not included in the standard configuration.

Part Context

This part belongs to the MityDSP-L138F family from Critical Link, which integrates TI OMAP-L138 processors with Xilinx FPGAs. The 'DI' suffix denotes the industrial temperature range and the specific FPGA size (6SLX45), distinguishing it from commercial variants like the L138-FG or lower-capacity FPGA models. It serves as a compact processing core for custom carrier boards in demanding embedded applications.

Replacement Considerations

Direct replacements include other MityDSP-L138F variants such as the L138-DI-336-RI, which offers increased NAND and RAM capacities but retains the same industrial temperature and FPGA specifications. For non-industrial needs, the L138-FI-325-RC provides similar performance in a commercial temperature range.